Abicyclist rides 14 miles in 112 minutes. if she continues at this speed, how long will it take her to travel 35 miles?

Can anyone me with 32,33,36,37,and 40.

Consider a cube that has sides of length l. now consider putting the largest sphere you can inside this cube without any point on the sphere lying outside of the cube. the volume ratio -volume of the sphere/ volume of the cube is 1. 5.2 × 10−1 2. 3.8 × 10−1 3. 1.9 4. 2.5 × 10−1 5. 3.8

How do i solve uniform motion problems?